My ford focus is misfiring on cylinders 1 and 4 i have changed the coil pack but no joy please help

2003 FORD FOCUS
80,000 MILES
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HUTCH9449
  • MEMBER
  • 1 POST
Spark plugs were also changed 3 months ago
Feb 4, 2012 at 9:12 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Check to make sure the injectors are firing properly and check compression in the affected cylinders.
Feb 4, 2012 at 9:33 AM
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